Kilojoules (kJ) to Joules (J) Conversion

How many joules in a kilojoule ?

Kilojoules to joules (kJ to J) conversion table shows the most common values for the quick reference. Alternatively, you may use the converter below to convert any other values.

1 Kilojoule (kJ) = 1000 Joules (J)

Kilojoule is metric system energy unit (electrical, mechanical or thermal) and equals to 1000 times of the amount of work done by a force of one newton to move an object one meter.
It is also commonly referred to food energy (nutritional energy) and replaced food calorie (or nutritional calorie) in nutrition labels in many countries. The abbreviation is "kJ".

Joule is a metric system energy unit and defined as the amount of work done by a force of one newton to move an object one meter. The abbreviation is "J".